About: http://webisa.webdatacommons.org/401490498

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The entire heat exchanger is made of suitable material such as copper or aluminum, since the material must be soft enough to bend but corrosion-free with respect to the liquids flowing therethrough.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca